78728580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{62483}}^1$

素因数の和:62505

約数の個数: 72

約数和(自身を含む): 272930112

約数和(自身を除く): 194201532

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 62483, 124966, 187449, 249932, 312415, 374898, 437381, 562347, 624830, 749796, 874762, 937245, 1124694, 1249660, 1312143, 1749524, 1874490, 2186905, 2249388, 2624286, 2811735, 3748980, 3936429, 4373810, 5248572, 5623470, 6560715, 7872858, 8747620, 11246940, 13121430, 15745716, 19682145, 26242860, 39364290, 78728580]

約数ペア:

[(1, 78728580), (2, 39364290), (3, 26242860), (4, 19682145), (5, 15745716), (6, 13121430), (7, 11246940), (9, 8747620), (10, 7872858), (12, 6560715), (14, 5623470), (15, 5248572), (18, 4373810), (20, 3936429), (21, 3748980), (28, 2811735), (30, 2624286), (35, 2249388), (36, 2186905), (42, 1874490), (45, 1749524), (60, 1312143), (63, 1249660), (70, 1124694), (84, 937245), (90, 874762), (105, 749796), (126, 624830), (140, 562347), (180, 437381), (210, 374898), (252, 312415), (315, 249932), (420, 187449), (630, 124966), (1260, 62483)]